Pharmaceutical Microbiology Manual
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ORA.007 Pharmaceutical Microbiology Manual
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- Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual
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OOD AND D RUG A DMINISTRATION O FFICE OF R EGULATORY A FFAIRS Office of Regulatory Science Document Number: ORA.007 Revision #: 02 Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual Page 13 of 92 For the most current and official copy, check QMiS. 5. Appropriate environmental controls such as air exposure plates should be used in accordance with local quality procedures. 6. Appropriate negative controls should be run concurrently with the sample. F. Interpretation of the Results USP <60> The possible presence of Bcc is indicated by the growth of greenish-brown colonies with yellow halos, or white colonies surrounded by pink-red zone on BCSA. Any growth on BCSA is confirmed by identification tests. Isolates should be identified to genus and, if possible, species using rapid identification kits or DNA sequencing. The product complies with test if no growth is observed or if the confirmatory identification tests are negative. USP <61> Regarding USP <61> the acceptance criterion for microbiological quality as it pertains to quantitative analyses has an allowable variability of the final colony forming units (CFUs). There is a two-fold tolerance in the final results. For example, if the monograph requires a 100 cfu/ml limit, the acceptable upper limit for these results would be 200 cfu/ml. Additional information is included in the “Interpretation of the Results” section of USP <61> that should be read and understood when reviewing quantitative test results. USP <62> Bile-Tolerant Gram-Negative The product complies with the test if there is no growth. Any isolates should be identified to genus and, if possible, species using rapid identification kits or DNA sequencing. Escherichia coli Growth of colonies indicates the possible presence of E. coli. This is confirmed by identification test. Isolates should be identified to genus and, if possible, species using rapid identification kits or DNA sequencing. The product complies with the test if no colonies are present or if the identification tests are negative. Salmonella The possible presence of Salmonella is indicated by the growth of well-developed, red colonies, with or without black centers. This is confirmed by identification tests. Isolates should be identified to genus and, if possible, species using rapid identification kits or DNA |
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